[Variety features of bioсhemical composition of highbush blueberry fruits]
2006
Rupasova, Zh.A. | Ignatenko, V.A. | Varavina, N.P. | Rudakovskaya, R.N. | Vasilevskaya, T.I. | Garanovich, I.M. | Ruban, N.N.,National Academy of Sciences, Minsk (Belarus). Central Botanical Garden
For the first time the comparative assessment of 8 fireign highbush blueberry varieties deserving for zoning and cultivation was made with regard to the accumulation of dry matters, organic acids and carbohydrates. It was shown that the most new varieties were characterized by lower content of free organic acids and insoluble pectin, but by higher content of hydropectin, in comparison with the variety Bluecrop, wich is recommended for variety in the conditions of Belarus. Among tested highbush blueberry varieties the fruits of the variety Caroline Blue were characterized by the highest content of free organic and ascorbic acids, fruits of the variety Kovill – by the highest content of free organic, ascorbic, phenolcarbonic acids and monosaccharides. Fruits of the variety Herbert were distinguished by higher accumulation of free organic and ascorbic acids, glucose and hydropectin. Fruits of the variety Duke were characterized by the highest content of vitamin C and protopectin, meanwhile fruits of the variety Rankokas – by the highest content of phenolcarbonic acids, and fruits of the variety Elizabeth – by the highest content of fructose and hydropectine. Meantime the sweetest taste have fruits of the varieties Elizabeth, Rankokas, Jersy, and Duke. The general content of dry matter pectins in tested varieties of blueberry has made 4,8-5,9 %, including hydropectin - 2,2-2,7 % and protopectin-2,1-3,7 %
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